[INFO] cloning repository https://github.com/eraserhd/parinfer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eraserhd/parinfer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feraserhd%2Fparinfer-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feraserhd%2Fparinfer-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33cc52be147a5d56a802cb7f975d67afbe162716
[INFO] documenting eraserhd/parinfer-rust against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feraserhd%2Fparinfer-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eraserhd/parinfer-rust on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eraserhd/parinfer-rust
[INFO] finished tweaking git repo https://github.com/eraserhd/parinfer-rust
[INFO] tweaked toml for git repo https://github.com/eraserhd/parinfer-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/eraserhd/parinfer-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.26.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.45
[INFO] [stderr]   Downloaded bindgen v0.48.1
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.4
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded darling v0.9.0
[INFO] [stderr]   Downloaded base-x v0.2.5
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.45
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.45
[INFO] [stderr]   Downloaded stdweb-derive v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.45
[INFO] [stderr]   Downloaded darling_core v0.9.0
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.45
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.7
[INFO] [stderr]   Downloaded emacs_module v0.10.0
[INFO] [stderr]   Downloaded emacs-macros v0.11.0
[INFO] [stderr]   Downloaded emacs v0.11.0
[INFO] [stderr]   Downloaded stdweb v0.4.17
[INFO] [stderr]   Downloaded bumpalo v2.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0601debe4527eeefa68bef6bef6d3b1ad924e694a91564207ce6aea4865e4932
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0601debe4527eeefa68bef6bef6d3b1ad924e694a91564207ce6aea4865e4932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0601debe4527eeefa68bef6bef6d3b1ad924e694a91564207ce6aea4865e4932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0601debe4527eeefa68bef6bef6d3b1ad924e694a91564207ce6aea4865e4932", kill_on_drop: false }`
[INFO] [stdout] 0601debe4527eeefa68bef6bef6d3b1ad924e694a91564207ce6aea4865e4932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd907c8feabace494b6fcab94c88a3d93b2ea9947bae716a540aae28b8a5e9ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd907c8feabace494b6fcab94c88a3d93b2ea9947bae716a540aae28b8a5e9ae", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `parinfer-rust` in package `parinfer_rust v0.4.3 (/opt/rustwide/workdir)` has the same output filename as the lib target `parinfer_rust` in package `parinfer_rust v0.4.3 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/parinfer_rust/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.47.0-beta (51b66125b 2020-08-19) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "parinfer_rust", version: "0.4.3", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "parinfer-rust", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2015) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "parinfer_rust", version: "0.4.3", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("parinfer_rust", ["lib", "cdylib"], "/opt/rustwide/workdir/src/lib.rs", Edition2015) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling emacs-macros v0.11.0
[INFO] [stderr]    Compiling emacs_module v0.10.0
[INFO] [stderr]     Checking emacs v0.11.0
[INFO] [stderr]     Checking parinfer_rust v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting parinfer_rust v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "dd907c8feabace494b6fcab94c88a3d93b2ea9947bae716a540aae28b8a5e9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd907c8feabace494b6fcab94c88a3d93b2ea9947bae716a540aae28b8a5e9ae", kill_on_drop: false }`
[INFO] [stdout] dd907c8feabace494b6fcab94c88a3d93b2ea9947bae716a540aae28b8a5e9ae